Indiana Pi Bill(en.wikipedia.org)

10 points by ZeljkoS 1 year ago | 2 comments

Fred Fish(en.wikipedia.org)

155 points by atan2 3 years ago | 42 comments

Visual calculus(en.wikipedia.org)

195 points by larion1 2 years ago | 32 comments

International Workers' Day(en.wikipedia.org)

321 points by pera 1 year ago | 123 comments

Wikipedia article on International Workers' Day (May Day), the 1 May celebration of workers promoted by the international labour movement, and its origins.

Flexagon(en.wikipedia.org)

156 points by jerbear4328 2 years ago | 34 comments

Garfield's Proof of the Pythagorean Theorem(en.wikipedia.org)

162 points by benbreen 11 months ago | 86 comments